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CN-224217941-U - Low-voltage power distribution cabinet with electric leakage early warning mechanism

CN224217941UCN 224217941 UCN224217941 UCN 224217941UCN-224217941-U

Abstract

The utility model relates to the technical field of low-voltage power distribution cabinets, and discloses a low-voltage power distribution cabinet with an electric leakage early warning mechanism, which comprises an installation bottom plate, a cabinet body and electronic elements, the metal plate is fixed at the lower position of the side edge of the inner wall of the cabinet body, and the alarm is assembled at the position of the side edge of the cabinet body above the mounting cover. According to the utility model, the metal plate is fixed at the lower position of the inner wall of the cabinet body, the wiring port is assembled at the side edge position of the cabinet body, the wiring port and the wiring hole are mutually flush, and the circuit is in butt contact at the position of the wiring hole, so that the metal plate is conductive when the circuit leaks electricity, the tail end of the circuit is connected at the position of the connecting wire, the current is transmitted through the connecting wire, the conducting wire and the resistor to form a circuit, and finally the bulb is lightened under the transmission of the current, so that the bulb is lightened during the electricity leakage, a worker can observe at the position of the transparent end, and the alarm starts to give an alarm in a sound mode, so that the electricity leakage early warning capability is improved in the working process.

Inventors

  • HAN JIAHUI
  • WANG LE

Assignees

  • 中国工业互联网研究院(工业和信息化部密码应用研究中心)

Dates

Publication Date
20260508
Application Date
20250520

Claims (8)

  1. 1. The low-voltage power distribution cabinet with the electric leakage early warning mechanism comprises a mounting base plate (1), a cabinet body (4) and an electronic element (7), and is characterized in that a metal plate (5) is fixed at the position, which is close to the side edge of the inner wall of the cabinet body (4), of the metal plate (5), a wiring hole (22) is formed in the metal plate (5), a wiring opening (21) is fixed at the position, which is flush with the wiring hole (22), of the side edge of the cabinet body (4), a wire (17) is fixed on the inner wall of the wiring hole (22), a mounting cover (19) is fixedly arranged at the position, which is located above the wiring opening (21), of the side edge of the cabinet body (4), a mounting plate (26) used for being connected with the cabinet body (4) is fixed at the upper and lower positions of the side edge of the mounting cover (19), a transparent end (20) is fixed on the inner side edge of the mounting cover (19), a connecting wire (25) is arranged in the mounting cover (19), the tail end of the wire (17) is electrically connected to the side edge of the wiring hole (25), a resistor (23) is electrically connected with the side edge of the connecting wire (25), the resistor (23) is electrically connected with the side edge of the bulb (24), and the bulb (4) is electrically connected with the bulb (19) at the position, which is located on the mounting position of the mounting cover (18).
  2. 2. The low-voltage power distribution cabinet with the electric leakage early warning mechanism according to claim 1, wherein the mounting plates (26) are symmetrically distributed about the central axis of the mounting cover (19), mounting holes are formed in the mounting plates (26), and the mounting plates (26) penetrate through the mounting holes and are fixed with the cabinet body (4) through bolts.
  3. 3. The low-voltage power distribution cabinet with the electric leakage early warning mechanism according to claim 1, wherein the transparent end (20) is transparent, and the alarm (18) is fixedly arranged on the side edge of the cabinet body (4) by adopting bolts.
  4. 4. The low-voltage power distribution cabinet with the electric leakage early warning mechanism, which is disclosed in claim 1, is characterized in that the bottom of the installation bottom plate (1) is coated with insulating glue (2), and an insulating ground cushion (3) is adhered and fixed on the outer wall surface of the insulating glue (2).
  5. 5. The low-voltage power distribution cabinet with the electric leakage early warning mechanism according to claim 1, wherein the side edge of the cabinet body (4) is connected with a grounding wire (9) for grounding, a backboard (6) is fixed on the back wall in the cabinet body (4), and the electronic element (7) is fixedly assembled on the front end face of the backboard (6).
  6. 6. The low-voltage power distribution cabinet with the electric leakage early warning mechanism according to claim 1, wherein assembly plates (16) are fixed on two sides of the inner wall of the cabinet body (4), and a regular plate (8) is fixed between the upper assembly plate and the lower assembly plate (16) through bolts.
  7. 7. The low-voltage power distribution cabinet with the electric leakage early warning mechanism, as set forth in claim 6, is characterized in that the reserved grooves (10) are uniformly formed in the regular plate (8), and protective pads (11) are fixed on the inner walls of the reserved grooves (10).
  8. 8. The low-voltage power distribution cabinet with the electric leakage early warning mechanism according to claim 6, wherein a shaft lever (15) is arranged on the front end face of the regular plate (8) in the left side direction of the reserved groove (10), a shielding belt (14) is arranged on the front end face of the reserved groove (10), a through hole is formed in one end of the shielding belt (14), the shaft lever (15) is inserted into the through hole, a strip-shaped groove (13) is formed in the other end of the shielding belt (14), and a round cap nail (12) is fixed on the front end face of the regular plate (8) in the right side direction of the reserved groove (10).

Description

Low-voltage power distribution cabinet with electric leakage early warning mechanism Technical Field The utility model relates to the technical field of low-voltage power distribution cabinets, in particular to a low-voltage power distribution cabinet with an electric leakage early warning mechanism. Background The low-voltage power distribution cabinet, commonly called as a low-voltage switch cabinet, is an important device used in a low-voltage power system, is mainly responsible for controlling, protecting and distributing electric energy, is widely applied to power users such as power plants, power substations, power departments of industrial and mining enterprises and the like, has the characteristics of small volume, light weight, compact structure, convenience in installation and use and the like, and is a key device for ensuring safe and stable operation of the power system; The main components of the low-voltage power distribution cabinet comprise a breaker, a disconnecting switch, a load switch, an operating mechanism, a transformer, various protection devices and the like, the components are combined to ensure the normal operation and safety of a power system, the internal installation components of the low-voltage power distribution cabinet are more, and after long-time use, the leakage condition exists, so that potential safety hazard problems easily exist when personnel open the power distribution cabinet for operation. Disclosure of utility model The utility model aims to provide a low-voltage power distribution cabinet with an electric leakage early warning mechanism, so as to solve the problems that in the background art, the number of internal installation components of the low-voltage power distribution cabinet is large, and electric leakage exists after long-time use, so that potential safety hazards easily exist when personnel open the power distribution cabinet for operation. The low-voltage power distribution cabinet with the electric leakage early warning mechanism comprises a mounting bottom plate, a cabinet body and electronic elements, wherein a metal plate is fixed at the position, which is lower than the side edge of the inner wall of the cabinet body, of the low-voltage power distribution cabinet, a wiring hole is formed in the metal plate, a wiring hole is fixed at the position, which is flush with the wiring hole, of the side edge of the cabinet body, a wire is fixed on the inner wall of the wiring hole, a mounting cover is fixedly arranged at the position, which is above the wiring hole, of the side edge of the cabinet body, a mounting plate for being connected with the cabinet body is fixedly arranged at the upper and lower positions of the side edge of the mounting cover, a transparent end is fixed at the inner side edge of the mounting cover, a connecting wire is arranged in the mounting cover, the tail end of the wire is electrically connected to the side edge of the connecting wire, a resistor is electrically connected with the side edge of the connecting wire, and an alarm is arranged at the position, which is above the mounting cover, of the side edge of the cabinet body. As a further technical scheme of the utility model, the mounting plates are symmetrically distributed about the central axis of the mounting cover, mounting holes are formed in the mounting plates, and the mounting plates are fixed with the cabinet body by bolts penetrating through the mounting holes. As a further technical scheme of the utility model, the transparent end is transparent, and the alarm is fixedly arranged on the side edge of the cabinet body by adopting bolts. As a further technical scheme of the utility model, the bottom of the mounting bottom plate is coated with insulating glue, and the outer wall surface of the insulating glue is fixedly adhered with an insulating ground mat. As a further technical scheme of the utility model, the side edge position of the cabinet body is connected with a grounding wire for grounding, the back wall of the cabinet body is fixed with a back plate, and the electronic element is fixedly assembled on the front end face of the back plate. As a further technical scheme of the utility model, the two sides of the inner wall of the cabinet body are fixedly provided with the assembly plates, and the regular plates are fixed between the upper assembly plate and the lower assembly plate by bolts. As a further technical scheme of the utility model, the regular plate is internally and uniformly provided with the reserved grooves, and the inner walls of the reserved grooves are respectively fixed with the protection pads. As a further technical scheme of the utility model, a shaft lever is arranged on the front end face of the regular plate in the left direction of the reserved groove, a shielding belt is arranged on the front end face of the reserved groove, a through hole is formed in one end of the shielding belt, the shaft lever is inserted into the through h